import lombok.Getter;
import lombok.Setter;
import utils.StringUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@WebServlet("/message/add")
public class AddMessageServlet extends HttpServlet {
    public static List<Message> msgList=new ArrayList<>();
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
       int result=-1;
        //1.得到参数并校验
        String from=req.getParameter("from");
        String to=req.getParameter("to");
        String msg=req.getParameter("msg");
        if(StringUtils.hasLength(from) && StringUtils.hasLength(to) && StringUtils.hasLength(msg)){
            //2.将表白对象加入到集合中（内存）
            AddMessageServlet.msgList.add(new Message(from,to,msg));
            result=1;
        }
        resp.setContentType("text/html;charset=utf-8");
        resp.getWriter().println(result);
    }
}
@Getter
@Setter
class Message{
    private String from;
    private String to;
    private String message;
    public Message(String from,String to,String message){
        this.from=from;
        this.to=to;
        this.message=message;
    }
}